package com.ruoyi.file.controller;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.file.FileUtils;
import com.ruoyi.file.service.ISysFileService;
import com.ruoyi.file.config.MinioConfig;
import com.ruoyi.system.api.domain.SysFile;
import io.minio.MinioClient;
import io.minio.BucketExistsArgs;

/**
 * 文件请求处理
 * 
 * @author ruoyi
 */
@RestController
public class SysFileController
{
    private static final Logger log = LoggerFactory.getLogger(SysFileController.class);

    @Autowired
    private ISysFileService sysFileService;
    
    @Autowired
    private MinioConfig minioConfig;
    
    @Autowired
    private MinioClient minioClient;

    /**
     * 文件上传请求
     */
    @PostMapping("upload")
    public R<SysFile> upload(MultipartFile file)
    {
        try
        {
            // 上传并返回访问地址
            String url = sysFileService.uploadFile(file);
            SysFile sysFile = new SysFile();
            sysFile.setName(FileUtils.getName(url));
            sysFile.setUrl(url);
            return R.ok(sysFile);
        }
        catch (Exception e)
        {
            log.error("上传文件失败", e);
            return R.fail(e.getMessage());
        }
    }

    /**
     * 视频文件上传请求
     */
    @PostMapping("uploadVideo")
    public R<SysFile> uploadVideo(MultipartFile file)
    {
        try
        {
            // 上传并返回访问地址
            String url = sysFileService.uploadVideoFile(file);
            SysFile sysFile = new SysFile();
            sysFile.setName(FileUtils.getName(url));
            sysFile.setUrl(url);
            return R.ok(sysFile);
        }
        catch (Exception e)
        {
            log.error("上传视频文件失败", e);
            return R.fail(e.getMessage());
        }
    }

    /**
     * 文件删除请求
     */
    @DeleteMapping("delete")
    public R<Boolean> delete(String fileUrl)
    {
        try
        {
            if (!FileUtils.validateFilePath(fileUrl))
            {
                throw new Exception(StringUtils.format("资源文件({})非法，不允许删除。 ", fileUrl));
            }
            sysFileService.deleteFile(fileUrl);
            return R.ok();
        }
        catch (Exception e)
        {
            log.error("删除文件失败", e);
            return R.fail(e.getMessage());
        }
    }
    
    /**
     * MinIO健康检查
     */
    @GetMapping("health")
    public R<String> health()
    {
        try
        {
            // 检查MinIO连接
            boolean exists = minioClient.bucketExists(BucketExistsArgs.builder()
                .bucket(minioConfig.getBucketName())
                .build());
            
            if (exists) {
                return R.ok("MinIO服务正常，存储桶存在");
            } else {
                return R.fail("MinIO存储桶不存在: " + minioConfig.getBucketName());
            }
        }
        catch (Exception e)
        {
            log.error("MinIO健康检查失败", e);
            return R.fail("MinIO服务异常: " + e.getMessage());
        }
    }
    
    /**
     * 获取视频优化状态
     */
    @GetMapping("videoOptimizationStatus")
    public R<String> getVideoOptimizationStatus(String videoUrl)
    {
        try
        {
            // 这里可以实现更复杂的优化状态查询逻辑
            // 目前简单返回优化完成状态
            return R.ok("视频优化已完成");
        }
        catch (Exception e)
        {
            log.error("获取视频优化状态失败", e);
            return R.fail("获取优化状态失败: " + e.getMessage());
        }
    }
}
